/**
 * Created by PanJiaChen on 16/11/18.
 */
import { Base64 } from "js-base64";

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
    if (arguments.length === 0 || !time) {
        return null;
    }
    const format = cFormat || "{y}-{m}-{d} {h}:{i}:{s}";
    let date;
    if (typeof time === "object") {
        date = time;
    } else {
        if (typeof time === "string") {
            if (/^[0-9]+$/.test(time)) {
                // support "1548221490638"
                time = parseInt(time);
            } else {
                // support safari
                // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
                time = time.replace(new RegExp(/-/gm), "/");
            }
        }

        if (typeof time === "number" && time.toString().length === 10) {
            time = time * 1000;
        }
        date = new Date(time);
    }
    const formatObj = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay(),
    };
    const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
        const value = formatObj[key];
        // Note: getDay() returns 0 on Sunday
        if (key === "a") {
            return ["日", "一", "二", "三", "四", "五", "六"][value];
        }
        return value.toString().padStart(2, "0");
    });
    return time_str;
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
    if (("" + time).length === 10) {
        time = parseInt(time) * 1000;
    } else {
        time = +time;
    }
    const d = new Date(time);
    const now = Date.now();

    const diff = (now - d) / 1000;

    if (diff < 30) {
        return "刚刚";
    } else if (diff < 3600) {
        // less 1 hour
        return Math.ceil(diff / 60) + "分钟前";
    } else if (diff < 3600 * 24) {
        return Math.ceil(diff / 3600) + "小时前";
    } else if (diff < 3600 * 24 * 2) {
        return "1天前";
    }
    if (option) {
        return parseTime(time, option);
    } else {
        return (
            d.getMonth() +
            1 +
            "月" +
            d.getDate() +
            "日" +
            d.getHours() +
            "时" +
            d.getMinutes() +
            "分"
        );
    }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
    url = url == null ? window.location.href : url;
    const search = url.substring(url.lastIndexOf("?") + 1);
    const obj = {};
    const reg = /([^?&=]+)=([^?&=]*)/g;
    search.replace(reg, (rs, $1, $2) => {
        const name = decodeURIComponent($1);
        let val = decodeURIComponent($2);
        val = String(val);
        obj[name] = val;
        return rs;
    });
    return obj;
}

/**
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
    // returns the byte length of an utf8 string
    let s = str.length;
    for (var i = str.length - 1; i >= 0; i--) {
        const code = str.charCodeAt(i);
        if (code > 0x7f && code <= 0x7ff) s++;
        else if (code > 0x7ff && code <= 0xffff) s += 2;
        if (code >= 0xdc00 && code <= 0xdfff) i--;
    }
    return s;
}

/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
    const newArray = [];
    for (let i = 0; i < actual.length; i++) {
        if (actual[i]) {
            newArray.push(actual[i]);
        }
    }
    return newArray;
}

/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
    if (!json) return "";
    return cleanArray(
        Object.keys(json).map((key) => {
            if (json[key] === undefined) return "";
            return encodeURIComponent(key) + "=" + encodeURIComponent(json[key]);
        })
    ).join("&");
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
    const search = decodeURIComponent(url.split("?")[1]).replace(/\+/g, " ");
    if (!search) {
        return {};
    }
    const obj = {};
    const searchArr = search.split("&");
    searchArr.forEach((v) => {
        const index = v.indexOf("=");
        if (index !== -1) {
            const name = v.substring(0, index);
            const val = v.substring(index + 1, v.length);
            obj[name] = val;
        }
    });
    return obj;
}

/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
    const div = document.createElement("div");
    div.innerHTML = val;
    return div.textContent || div.innerText;
}

/**
 * Merges two objects, giving the last one precedence
 * @param {Object} target
 * @param {(Object|Array)} source
 * @returns {Object}
 */
export function objectMerge(target, source) {
    if (typeof target !== "object") {
        target = {};
    }
    if (Array.isArray(source)) {
        return source.slice();
    }
    Object.keys(source).forEach((property) => {
        const sourceProperty = source[property];
        if (typeof sourceProperty === "object") {
            target[property] = objectMerge(target[property], sourceProperty);
        } else {
            target[property] = sourceProperty;
        }
    });
    return target;
}

/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
    if (!element || !className) {
        return;
    }
    let classString = element.className;
    const nameIndex = classString.indexOf(className);
    if (nameIndex === -1) {
        classString += "" + className;
    } else {
        classString =
            classString.substr(0, nameIndex) +
            classString.substr(nameIndex + className.length);
    }
    element.className = classString;
}

/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
    if (type === "start") {
        return new Date().getTime() - 3600 * 1000 * 24 * 90;
    } else {
        return new Date(new Date().toDateString());
    }
}

/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
    let timeout, args, context, timestamp, result;

    const later = function() {
        // 据上一次触发时间间隔
        const last = +new Date() - timestamp;

        // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
        if (last < wait && last > 0) {
            timeout = setTimeout(later, wait - last);
        } else {
            timeout = null;
            // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
            if (!immediate) {
                result = func.apply(context, args);
                if (!timeout) context = args = null;
            }
        }
    };

    return function(...args) {
        context = this;
        timestamp = +new Date();
        const callNow = immediate && !timeout;
        // 如果延时不存在，重新设定延时
        if (!timeout) timeout = setTimeout(later, wait);
        if (callNow) {
            result = func.apply(context, args);
            context = args = null;
        }

        return result;
    };
}

/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 * @param {Object} source
 * @returns {Object}
 */
export function deepClone(source) {
    if (!source && typeof source !== "object") {
        throw new Error("error arguments", "deepClone");
    }
    const targetObj = source.constructor === Array ? [] : {};
    Object.keys(source).forEach((keys) => {
        if (source[keys] && typeof source[keys] === "object") {
            targetObj[keys] = deepClone(source[keys]);
        } else {
            targetObj[keys] = source[keys];
        }
    });
    return targetObj;
}

/**
 * @param {Array} arr
 * @returns {Array}
 */
export function uniqueArr(arr) {
    return Array.from(new Set(arr));
}

/**
 * @returns {string}
 */
export function createUniqueString() {
    const timestamp = +new Date() + "";
    const randomNum = parseInt((1 + Math.random()) * 65536) + "";
    return (+(randomNum + timestamp)).toString(32);
}

/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
    return !!ele.className.match(new RegExp("(\\s|^)" + cls + "(\\s|$)"));
}

/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
    if (!hasClass(ele, cls)) ele.className += " " + cls;
}

/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
    if (hasClass(ele, cls)) {
        const reg = new RegExp("(\\s|^)" + cls + "(\\s|$)");
        ele.className = ele.className.replace(reg, " ");
    }
}
// 限制输入整数
export function inputIntData(val) {
    val = val.replace(/[^\d]/g, "");
    if (val) {
        val = parseInt(val, 10);
    }
    return val;
}

// 输入小数
export const inputDecimalData = (val, limit, intlimit) => {
        var str = val;
        var len1 = str.substr(0, 1);
        var len2 = str.substr(1, 1);
        // 如果第一位是0，第二位不是点，就用数字把点替换掉
        if (str.length > 1 && len1 === 0 && len2 !== ".") {
            str = str.substr(1, 1);
        }
        // 第一位不能是.
        if (len1 === ".") {
            str = "";
        }
        // 限制只能输入一个小数点
        if (str.indexOf(".") !== -1) {
            var str_ = str.substr(str.indexOf(".") + 1);
            if (str_.indexOf(".") !== -1) {
                str = str.substr(0, str.indexOf(".") + str_.indexOf(".") + 1);
            }
        }

        // 正则替换
        str = str.replace(/[^\d^.]+/g, ""); // 保留数字和小数点
        if (limit / 1 === 1) {
            str = str.replace(/^\D*([0-9]\d*\.?\d{0,1})?.*$/, "$1"); // 小数点后只能输 1 位
        } else {
            str = str.replace(/^\D*([0-9]\d*\.?\d{0,2})?.*$/, "$1"); // 小数点后只能输 2 位
        }
        //整数部分
        if (str.length > 0 && intlimit > 0) {
            let _strArr = str.split(".");
            let dotIndex = str.indexOf(".");
            let intPart = _strArr[0] !== "" ? `${parseInt(_strArr[0])}` : "0";
            if (intPart !== "") {
                str = `${
        intPart.length > intlimit ? intPart.slice(0, intlimit) : intPart
      }${dotIndex !== -1 ? "." : ""}${_strArr[1] ? `${_strArr[1]}` : ""}`;
    }
  }

  return str;
};
const loopDelStartZero = (val) => {
  if (val.length <= 1 || val[0] != 0) {
    return val;
  }
  return loopDelStartZero(val.substring(1));
};

export const setAndGetOssData = (_this) => {
  /** 获取阿里云oss存储配置信息 */

  if (!_this.$cookies.get("ossParams")) {
    const res = {
      oss_host_url: "https://global-application-001.downline.cn",
      app_main_url: "casekadingche.downline.cn",
      oss_accesskey: "hgV5TOnVHZWvXYV98QMqm1Avt7Q3mD",
      oss_accessid: "scj0YOTsBy74ZWGy",
    };
    const ossParams = {
      key: res["app_main_url"] + "/goods_image/",
      accesskey: res["oss_accesskey"],
      OSSAccessKeyId: res["oss_accessid"],
    };
    _this.$cookies.set("ossParams", Base64.encode(JSON.stringify(ossParams)));
  }
};

export const  encodeBase64=(str)=>{
	// 对字符串进行编码
	var encode = encodeURI(str);
	// 对编码的字符串转化base64
	var base64 = btoa(encode);
	return base64;
}
export const decodeBase64=(base64)=>{
	// 对base64转编码
	var decode = atob(base64);
	// 编码转字符串
	var str = decodeURI(decode);
	return str;
}